Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 9.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2023   14:16:09   (  70.70, -38.50) 12/10/2023   14:17:18  (  70.58, -37.14)   51.76                69
 12/10/2023   15:06:41   ( -70.09, 129.78) 12/10/2023   15:06:55  ( -70.09, 129.77)    0.31                14
 12/10/2023   15:57:25   (  69.97, -62.73) 12/10/2023   15:56:22  (  69.99, -62.73)    1.83                63
 12/13/2023   06:32:52   (  70.18,  78.10) 12/13/2023   06:33:56  (  70.20,  78.17)    3.63                64
 12/13/2023   07:23:33   ( -70.04,-114.37) 12/13/2023   07:23:27  ( -70.04,-114.42)    2.12                 6
 12/13/2023   08:14:10   (  69.56,  53.66) 12/13/2023   08:12:59  (  69.66,  52.69)   39.53                71
 12/15/2023   22:49:43   (  70.15,-166.06) 12/15/2023   22:50:27  (  70.13,-166.06)    1.35                44
 12/15/2023   23:40:25   ( -70.05,   1.39) 12/15/2023   23:39:57  ( -70.03,   1.43)    2.99                28
 12/18/2023   15:06:35   (  70.11, -50.24) 12/18/2023   15:06:58  (  70.10, -50.23)    1.81                23
 12/18/2023   15:57:17   ( -70.02, 117.23) 12/18/2023   15:56:28  ( -70.00, 117.26)    2.69                49
 12/21/2023   06:32:47   ( -70.40,-102.21) 12/21/2023   06:33:59  ( -70.32,-101.68)   21.76                72
 12/21/2023   07:23:27   (  70.09,  65.58) 12/21/2023   07:23:28  (  70.10,  65.64)    2.47                 1
 12/21/2023   08:14:08   ( -69.94,-126.87) 12/21/2023   08:12:59  ( -69.94,-126.94)    2.85                69